package exercise_2;

import java.awt.Graphics;

import javax.swing.JPanel;

public class Shapes extends JPanel{
	public Shapes(){}
	public void paintComponent(Graphics g){
		super.paintComponent(g);
		for(int i = 0; i < 12; i++)
		{
			g.drawOval(140 - 10 * i, 140 - 10 * i, 2 * (10 + 10 * i), 2 * (10 + 10 * i));
		}
	}
}
